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Found 9 results

  1. Our friend @sharkdoctor sent us some micro matrix from the Old Church Formation in Virginia. This is our second batch and the first was fairly sparse but we did find some cool stuff. I haven’t searched much of this matrix but it’s already produced some nice teeth and has a better density too. There isnt, to my knowledge, any descriptions of Old Church material so my ID’s are just best guess. First pic- a beautiful little Galeorhinus tooth. Second pic- a really awesome Sphyrna tooth, maybe S. media. Third pic- a colorful Galeocerdo, I’d guess G. aduncas. I will update this I go.
  2. We started working on two early forays into micro fossils over a year ago when we cracked open the vile of Permian matrix from Kansas. Those tiny Neva Formation formation fossils and the even older and smaller Genundewa Limestone fossils proved to be extremely challenging, sometimes very frustrating and all kinds of fun. The results were few shark fossils that made it from matrix to the safety of the display cases lol There were several lost or broken shark teeth and one pulverized to dust by a millimeter worth of thumb slippage. If we judged this by volume, one could say this wasn’t successful. I would call it an overwhelming victory for us. We didn’t find a lot but we nailed our three target morphologies plus we found an unexpected gem. The goal with the Neva material was simple Oceans of Kansas website provided the examples of a small unnamed Ctenacanthiformes/Cladodont tooth from this formation. That was it. I only needed one and we found 3. Unfortunately the first got crushed. The second found by our friend @Tay Francis but I lost it. It was on our third and final complete search that yielded one last Cladodont. This one survived and made to it’s final home in our display. Our youngest tooth in this order. Victory after a few defeats is no less a victory lol The Devonian Genudewa from New York yielded a half dozen partial Phoebodus type teeth. We also found 4 partial Omalodus teeth.Omalodus is also a relative of Doliodus. For me, this is so cool. We found a connection to a transitional shark ! The biggest surprise was a tooth that seemed a very close match to teeth I’ve seen described as Wellerodus, a relative of Antarticlamna. Devonian era New York does have some descriptions of these tooth morphologies and my tentative ID’s are based on publications so Im fairly confident in saying we found a couple of teeth from important early shark families. I’ll be starting another round of Paleozoic micro shark hunts including a return to both of these formations with new matrix. We will be better prepared with micro fossil slides and better handling. We are going to try a few different matrix samples including Maple Mill. I will get better pictures when I can but I’m just glad to have finally finished sorting and separating these tiny delicate teeth. First pic is the Kansas Cladodont Second pic on the left are Phoebodus, the right holds Omalodus and possible Wellerodus teeth.
  3. Hi everyone, Some time ago I was doing some prep on a block from the Phospate mines of Khouribga in Morocco (Cretaceous, Maastrichtian, 70 mya) with some Idgamanosaurus teeth in it. There were a lot of goodies in the block besides the two rooted Igdamanosaurus teeth like some coprolites, fish verts, a mosasaur tooth, Cretalamna tooth & Enchodus tooth. But I also found this little shark tooth which is around 2 mm in length, but I can't seem find a proper ID for it. So I was hoping that there might be someone here on the forum with some knowlegde on micro teeth from Khouribga that might know what this tooth is. Thank you in advance!
  4. We recently acquired some micro matrix from the Cretaceous of Texas courtesy of our friend @Captcrunch227. I had a fun time searching the Post Oak Creek stuff and we crossed some stuff our want list. There are still several teeth that need id’s but I’ll have to wait a week or two before I can get pics to help that process. In the meantime, I do know some of what I found. We found several Nurse Shark teeth. I am relatively sure 2 are Cantioscyllium. I think 2 are Plicatoscyllium. Super excited to find a few Nurse Sharks. We found a couple of Rhinobatos teeth, a really nice Scapanorhynchus symphyseal, a lot of Sawfish material, a couple of Rhombodus, I am pretty sure we found a Cretodus and two that I think might be Paranomotodon. We found a couple that look to be Cretalamna. This is was a bunch of fun and I’m thinking I need to find more micros lol What a fantastic way to occupy ones time and stimulate the brain.
  5. fossilsonwheels

    Lee Creek Micro ID help

    We got a very small amount of Lee Creek micro mix and it didn’t yield much in terms of volume but we did get a couple of excellent Hammerhead teeth, a Galeorhinus, and a few others. There are a couple of unsolved mysteries though. Up first is a 3mm mystery partial tooth. Under the scope this tooth bore no similarity to any other found. I looked through EVERY shark and batoid tooth picture for Lee Creek on Elasmo. The tooth that came the closest was actually Megachasma but I’m convinced that can’t be correct. The root is not intact and I can’t do any better on the pictures for now.
  6. That little vial of micros from the Mesaverde formation is the gift that keeps on giving. I dissolved some of small bits of matrix in vinegar. Still no batoid teeth but a couple of shark teeth did emerge. Mesaverde Formation, Rollins Member Colorado The first is a candidate for the smallest shark tooth in my collection. At most it is 1mm and I think it is another possible Cat Shark tooth. Quite similar to some NJ teeth I found on line. I am open to other possibilities as far as an ID goes. Regardless, it is one very cool looking micro tooth
  7. fossilsonwheels

    Micro Shark Teeth

    I have been slowly going through both the Cretaceous micro matrix from the Mesaverde formation and the Permian micro from the Council Grove Group of Kansas. I have found quite a bit of partial shark and ray teeth from the Mesaverde stuff but have not photographed it. So far the Permian mix has been a different story. The fossils are much smaller and there has been little shark material. I am not too upset though as I have only been through about 1/3 of it. The fossils are so small it takes quite a bit of time to go through. We did have a little success though and I am quite thrilled. We found one tooth that I am sure is a very tiny partial Cladodont tooth. I also found a partial that I believe is a Cladodont tooth but could not even be a tooth. Both of these are roughly 1mm so there are extremely small. I am quite unsure of the species as there are some unpublished descriptions from this formation according to the Oceans of Kansas website. Anyway, here are the first two Permian micro shark teeth I have found. I will post pictures as I continue the search My apologies for the trippy background. Our microeye at work prodcuces that background on photographs
  8. I thought it would be fun and possibly helpful to other collectors to discuss the results of my first foray into the world of micro fossil exploration. I had purchased some quantities of micro matrix from two different formations and they provided vastly different experiences for me as a collector. I got a vial of micro fossils from the Neva formation which is from Kansas and is Permian. This stuff really proved to be quite a challenge and was not ideal to start with. These are TINY fossils and I was not equipped to handle such small fossils. Identifying the shark material was challenging but not nearly as challenging as just handling them. My first attempt to put a fossils on a slide resulted in me crushing a tiny partial Cladodont tooth. I was not happy with myself but it was a very teachable and humbling moment as I did at work in front of young co-worker who has developed into quite the shark fanatic. Once I figured out what NOT to do with the small fossils, I did find a groove and was able to find some interesting material for our display. I found a few shark denticles ( I think they are anyway lol), a possible spine, and a few partial teeth including one that looks similar to an unpublished species of Cladodont shark called Maiseyodus. There was not a lot of shark material and it was hard to work with but I plan on picking up another vial. I will not go through until I have better equipment though but I would like to continue the explore it. The goal was too add some Permian shark material from a marine environment to contrast the freshwater Permian stuff we had. In that sense, we accomplished our goal and I did really learn quite a lot so it was a positive result but one with plenty of bumps in the road lol The other micros were from the Cretacoeus Mesaverde formation and was Colorado. This was much easier to work with as far as size goes but there was much more actual matrix to deal with. I was also more familiar with the fauna and I had a much better idea of what to be on the look out for. It did not take long to find a few shark teeth. I opened the vial, dumped it on the tray and right away saw some partial teeth I could recognize. A few Hybodont partials were apparent very quickly as were some partial Sand Tiger teeth. There was also an interesting partial that I have not posted yet but might be a Cretalamna. I also found a few fossils that I think are ray dermal denticles. The really interesting stuff was found when I started searching the bits of matrix and the smaller fossils. Three little fossils absolutely made this a grand slam for me. I found what looks to be a Chiloscyllium tooth. It is fantastic shape and sits on top of a little piece of matrix really nicely. My ID looks to be okay as I did post here on the forum. I was really thrilled to find such a nice tooth. Another was posted on the forum and though I have some work to do to cement the ID, it MAY be a Cat Shark tooth which is one I have been searching for. Separating it from the matrix makes me nervous but I am practicing before I do it. I am really hoping it does turn out to be what I think it is but either way it was a fascinating find and thanks to some awesome TFF members led to a far better understanding of cat shark fossils. The third has not been posted yet as I need to take a closer look at it but when I first saw it, I thought it was a Rhinobatos which was another one I had been actively looking for. I got excited, put in a gem jar and put it in the display but I will take a better look this week. There were some interesting non-shark fossils too that I will go through at some point and quite a bit of poo as well lol I consider this to have been a complete success. We added some new sharks to the display and succeeded in furthering the diversity of sharks we can talk about. I need to get some equipment for exploring micro fossils at home and I need to work on the handling of the fossils. I need to learn how to separate small fossils from bits of matrix and I can always stand to sharpen my ID skills but this is a pretty important development for us. With some recent family events and two college aged kids depending on me the fossil acquisitions will slow down considerably. I can not buy a lot going forward so this is a fantastic and inexpensive way to continue to explore fossils, particularly Mesozoic sharks. A little bit of money spent on some matrix will yield fossils we can use. I do not live in an area where there is much fossil hunting to be done so this is also a way to self collect some material which is really satisfying. It has also been a great thing to have during my fathers illness and death as it kept me busy and my mind sharp. I can see a new addiction forming and it is a good one to have. In addition to adding some more from both of the above formations, I am going to pick up some Atco stuff and Kamp Ranch matrix too in the near future. That will keep me busy and I am sure we can add some more interesting fossils. This micro newbie is going to work on becoming a micro not-so-newbie lol I will post some pictures in the comment section.
  9. Hey-hi All, From recent trades and purchases I have micro-matrix from 7 locations. This is the first report on the matrix from Rattlesnake Creek, Florida and what I have found so far. With much thanks to Sacha for providing Me with this matrix. scale in mm. Fish teeth... A foraminifera.... Stingray barbs.... Ray and Skate teeth... A fossilized leaf bud... A clam burrow... More to follow...
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